Improvement in railway car-springs



. R. VOS E.

Gar Spring.

Patnted June 28,1870,

jnvenrqr Mf waited gt atw RICHARD VOSE, OF NEW YORK, N. Y.

Letters Patent No. 104,907, dated June 28, 1870.

IMPROVEMENT IN RAILWAY CAR -SPRINGS.

The Schedule referred to in these Letters Patent and making part of thesame.

Be it known that I, RICHARD VOSE, of the city and State of New York,have invented a. new and useful Improvement in Railroad Oar-Springs, ofwhich the following is a specification.

My invention relates to the combination of disks of India rubber withcoucavo-convex disks of steel, a rubber disk being interposed betweeneach pair of steel disks, and the whole being iuclosed in a metalliccase or box, where the disks are securely held in proper relations witheach other, and the combined action as springs of the steel and rubbersecured.

The drawing represents a central sectional view of my combined springarranged in its case or box.

A A A A A"-A" A" are steel disks cut from .plates of that metal, andstruck up into a concavo-convex form, the drawings representing the fullsi zeas to diameter and thickness. 1

B B B" 13"" are disks of rubber interposed between the steel disks andbetween the upper and lower pairs, and the top and bottom of the case,the steel disks being arranged in pairs, the disks of each pair beingplaced with their concave surfaces together, and the rubber disks beingplaced between, the several pairs. v

Through the center of each disk is a large aperture. D is the shell of ametal case or box, having in the center a hollow standard or'post, G.The disks are arranged on this post, which passes through the center ofeach. By this arrangement they are all held centrally in position.

F is the base on which the disks rest, constructed to fit into the boxD, having in the center a hollow pillar, G, made to receive the centralpillar O of the are not new.

used only in contact with each other throughout the box 1), to which itis secured by means of the bolt a, which passes through the base of thepillar O, and is held by a nut, b. This bolt is allowed to play in therecessed projection (Z under the pillar 0, thus permitting the' box I)to rise and fall with'the movement of the springs.

The concavo-colwex' steel springs here described They have, however,been heretofore series. But by this arrangementit is-fonnd they areliable to break, are too rigid, and have too little movement. Nor is.the combination of steel and rubber in the construction of car-springsnew. I, therefore, confine myselfi'in this specification, to theparticular combination herein described, by which the liability of thesteel disks to break is obviated, auda more elast-ic spring, having awider range of movement, is pro duced.

hat I claim, and desire to secure by Letters Iatcut, is-- 1. A series ofconcave-convex steel disks, put together in pairs, with their concavesurfaces together, and with a disk of rubber interposed between theseveral pairs, the whole combinedand arranged substantially as and forthe purposes specified.

2. A series of coucavo-convex steel disks and rubber disks, arranged asspecified, when placed. and held within a/metal case, substantiallyasand for the purposes specified.

RIOHD. VOSE.

' Witnesses:

G. DINSMORE, R, It. W001).

